Infosys Company Logical Reasoning Mathematical Reasoning

I participated in a race.1/5th of those who are before
me are equal to 5/6th of those behind me. What were the
total number of contestants in the race?

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Infosys Other Question

Some A and some B are able to produce so many tors in so many hours.(for example 10 A and 20 B are able to produce 30 tors per hour). Like this one more sentence was given. We have to find out the rate of working of A and B in tors/hour. There were 60 players playing a game among themselves. Each player is out of the game when lose 3 matches. What is the number of matches should be played in order to get the winner.